Home / 14,408,288.28-19,884,516.78-8,213,482.68

Finding the Fourth Proportional to 14,408,288.28, 19,884,516.78 and 8,213,482.68

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Solution

The fourth proportional to 14,408,288.28, 19,884,516.78 and 8,213,482.68 is: 11,335,221.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,408,288.28 : 19,884,516.78 = 8,213,482.68 : x
  2. Step 2: Convert to fraction form
    14,408,288.28/19,884,516.78 = 8,213,482.68/x
  3. Step 3: Cross multiply
    14,408,288.28x = 19,884,516.78 × 8,213,482.68
  4. Step 4: Simplify right side
    14,408,288.28x = 163,321,134,172,699.38
  5. Step 5: Solve for x
    x = 163,321,134,172,699.38/14,408,288.28
  6. Step 6: Final answer
    x = 11,335,221.16

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.